#ifndef __SYS_H
#define __SYS_H	
#include "stm32f10x.h"	 


//位带操作,实现51类似的GPIO控制功能
//具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).
//IO口操作宏定义
#define BITBAND(addr, bitnum)		((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
#define MEM_ADDR(addr)				*((volatile unsigned long  *)(addr))
#define BIT_ADDR(addr, bitnum)		MEM_ADDR(BITBAND(addr, bitnum))
//IO口地址映射
#define GPIOA_ODR_Addr		(GPIOA_BASE+12)	//0x4001080C
#define GPIOB_ODR_Addr		(GPIOB_BASE+12)	//0x40010C0C
#define GPIOC_ODR_Addr		(GPIOC_BASE+12)	//0x4001100C
#define GPIOD_ODR_Addr		(GPIOD_BASE+12)	//0x4001140C
#define GPIOE_ODR_Addr		(GPIOE_BASE+12)	//0x4001180C
#define GPIOF_ODR_Addr		(GPIOF_BASE+12)	//0x40011A0C
#define GPIOG_ODR_Addr		(GPIOG_BASE+12)	//0x40011E0C

#define GPIOA_IDR_Addr		(GPIOA_BASE+8)	//0x40010808
#define GPIOB_IDR_Addr		(GPIOB_BASE+8)	//0x40010C08
#define GPIOC_IDR_Addr		(GPIOC_BASE+8)	//0x40011008
#define GPIOD_IDR_Addr		(GPIOD_BASE+8)	//0x40011408
#define GPIOE_IDR_Addr		(GPIOE_BASE+8)	//0x40011808
#define GPIOF_IDR_Addr		(GPIOF_BASE+8)	//0x40011A08
#define GPIOG_IDR_Addr		(GPIOG_BASE+8)	//0x40011E08

//IO口操作,只对单一的IO口!
//确保n的值小于16!
#define PAout(n)	BIT_ADDR(GPIOA_ODR_Addr,n)  //输出
#define PAin(n)		BIT_ADDR(GPIOA_IDR_Addr,n)  //输入

#define PBout(n)	BIT_ADDR(GPIOB_ODR_Addr,n)  //输出
#define PBin(n)		BIT_ADDR(GPIOB_IDR_Addr,n)  //输入

#define PCout(n)	BIT_ADDR(GPIOC_ODR_Addr,n)  //输出
#define PCin(n)		BIT_ADDR(GPIOC_IDR_Addr,n)  //输入

#define PDout(n)	BIT_ADDR(GPIOD_ODR_Addr,n)  //输出
#define PDin(n)		BIT_ADDR(GPIOD_IDR_Addr,n)  //输入

#define PEout(n)	BIT_ADDR(GPIOE_ODR_Addr,n)  //输出
#define PEin(n)		BIT_ADDR(GPIOE_IDR_Addr,n)  //输入

#define PFout(n)	BIT_ADDR(GPIOF_ODR_Addr,n)  //输出
#define PFin(n)		BIT_ADDR(GPIOF_IDR_Addr,n)  //输入

#define PGout(n)	BIT_ADDR(GPIOG_ODR_Addr,n)  //输出
#define PGin(n)		BIT_ADDR(GPIOG_IDR_Addr,n)  //输入



void NVIC_Configuration(void);		//嵌套中断控制器的设置
void RCC_Configuration(void);		//RCC时钟类的设置


#endif
